2553053021 has 16 divisors (see below), whose sum is σ = 2663345520. Its totient is φ = 2445189120.

The previous prime is 2553053011. The next prime is 2553053029. The reversal of 2553053021 is 1203503552.

It can be written as a sum of positive squares in 8 ways, for example, as 438064900 + 2114988121 = 20930^2 + 45989^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553053021 - 2¹⁰ = 2553051997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553053029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792005 + ... + 795221.

It is an arithmetic number, because the mean of its divisors is an integer number (166459095).

Almost surely, 2^2553053021 is an apocalyptic number.

It is an amenable number.

2553053021 is a deficient number, since it is larger than the sum of its proper divisors (110292499).

2553053021 is a wasteful number, since it uses less digits than its factorization.

2553053021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2553053021 is about 50527.7450615006. The cubic root of 2553053021 is about 1366.7422231147.

Adding to 2553053021 its reverse (1203503552), we get a palindrome (3756556573).

The spelling of 2553053021 in words is "two billion, five hundred fifty-three million, fifty-three thousand, twenty-one".